Packages
- adsys - Active Directory Group Policy client
Details
It was discovered that ADSys did not properly handle certain HTTP/2 frames.
A remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-27141)
It was discovered that ADSys did not properly handle certain HTTP/2
SETTINGS frames. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-33814)
It was discovered that ADSys did not properly handle certain HTTP/2 frames.
A remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-27141)
It was discovered that ADSys did not properly handle certain HTTP/2
SETTINGS frames. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2026-33814)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | adsys – 0.16.4ubuntu1.1 | ||
| 25.10 questing | adsys – 0.16.3ubuntu0.25.10.2 | ||
| 24.04 LTS noble | adsys – 0.16.3~24.04.2ubuntu0.24.04.1 | ||
| 22.04 LTS jammy | adsys – 0.16.3~22.04.2ubuntu0.22.04.1 | ||
| 20.04 LTS focal | adsys – 0.9.2~20.04.2ubuntu0.1+esm2 | ||
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